Re: [2.4] VFS locking problem during concurrent link/unlink

From: Chris Mason (
Date: Thu Jan 16 2003 - 10:39:41 EST

On Thu, 2003-01-16 at 06:00, Oleg Drokin wrote:
> Hello!
> Debugging reiserfs problem that can be demonstrated with script created by
> Zygo Blaxell, I started to wonder if the problem presented is indeed reiserfs
> fault and not VFS.
> Though the Zygo claims script only produces problems on reiserfs, I am trying
> it now myself on ext2 (which will take some time).
> Debugging shows that reiserfs_link is sometimes called for inodes whose
> i_nlink is zero (and all corresponding data is deleted already).
> So my current guess of what's going on is this:

No, this is a reiserfs bug, since we schedule after doing link checks in
reiserfs_link and reiserfs_unlink. I sent a patch to reiserfs dev a
while ago, I'll pull it out of the suse kernel and rediff against


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